The Complete Iron Protocol

Why ferritin matters in our framework

Iron helps carry oxygen and supports the machinery your cells use to produce energy. That is why we put iron status inside M, the mitochondrial foundation of MARCH. Fatigue, poor exercise tolerance, hair shedding and restless legs can make iron status relevant, although symptoms alone cannot tell us which iron pattern is present.

Ferritin reflects storage, while haemoglobin tells us about the oxygen-carrying protein in red blood cells. We also read transferrin saturation, the blood count and inflammatory context. A person can have depleted stores before anaemia develops. Inflammation can also complicate the ferritin result, which is why “ferritin looks fine” does not finish the review.

We use ferritin 70–100 ng/mL for women and 100–150 ng/mL for men as practice targets. Those are Wesnoski reference points, not instructions to take iron until a number is reached. The broader panel, the cause and the response matter.

Iron is involved in thyroid peroxidase, an enzyme used to make thyroid hormone. We review iron and thyroid together without treating one ferritin value as proof that thyroid medication cannot work.

Five places we look when ferritin stalls

1. Digestive conditions. Stomach acidity, gastric history and acid-suppressing medication can matter to absorption. H. pylori is one condition our framework considers when the history and response warrant investigation. Bloating or reflux alone does not identify the cause.

2. The intestinal pathway. Coeliac disease, inflammatory bowel conditions, previous surgery and other absorption problems can change how well an oral plan works. We look at the history rather than assuming a larger dose solves the problem.

3. Timing and tolerance. We check the actual product, elemental iron, meals, coffee, tea, calcium, other minerals and thyroid medication. A plan that repeatedly causes nausea or constipation is unlikely to be followed consistently.

4. Ongoing loss or increased demand. Heavy bleeding, blood donation, pregnancy history and possible gastrointestinal loss change the replacement problem. Adding iron without accounting for continuing loss can leave the pattern unresolved.

5. Inflammation and availability. Hepcidin helps regulate iron absorption and release. We distinguish depleted stores from inflammation-related restriction of iron availability. These patterns can overlap and need to be read together.

The practical question is where the plan is failing: intake, absorption, availability, adherence or continuing loss. That determines the next step.

The forms and support we consider

Food is part of the foundation. We include meat, dark poultry, shellfish and other suitable iron-containing foods, adapting choices to your diet and tolerance.

For oral replacement, we favour heme iron, with iron bisglycinate as an alternative. We select the form and elemental amount against the iron picture and the person’s response rather than making everyone use the same product.

An alternate-day schedule is one option when it improves tolerance and adherence. Daily dosing does not mean that no iron is absorbed.

Vitamin C is optional; it is not a compulsory extra with every iron tablet.

We may consider lactoferrin when reviewing an inflammatory pattern. It is not an automatic substitute whenever an iron product causes discomfort, and it does not replace the need to replenish genuinely depleted stores.

Build the timing around the day

For someone taking levothyroxine tablets, we keep iron at least four hours away from the thyroid medication. The breakfast interval and the iron interval are separate parts of the routine. Follow the instructions for the actual thyroid product.

A workable example is thyroid medication on waking, breakfast after its instructed interval, and the planned iron dose later in the day. We separate iron from coffee and tea by at least an hour, and calcium or dairy by two hours. Other mineral supplements can be placed at a different time of day.

Empty-stomach dosing may be difficult to tolerate. We consider the formulation, instructions and practical response rather than insisting on a schedule someone cannot sustain. Write the chosen routine down once so that every dose does not require another decision.

When the gut becomes part of the iron plan

Our absorption work includes stomach function, digestive enzymes, bowel function and relevant gut conditions. We may select betaine HCl with pepsin or digestive enzymes when appropriate. Low ferritin alone does not establish low stomach acid.

Ulcers, gastritis and acid-suppressing medication can rule out acid support. This is why adding acid support is a separate decision from adding iron. We do not use a sensation after a supplement to establish a diagnosis.

If iron changes your stools, causes persistent nausea or makes meals difficult, that response belongs in the plan. We review the product, schedule and underlying picture. The gut guide explains how digestive support and motility fit into the wider sequence.

Follow the response and revisit the cause

Our iron protocol commonly reviews stores over an eight-to-twelve-week window, with earlier clinical monitoring when anaemia or the circumstances require it. We track the actual routine, symptoms, blood count and iron markers so that a repeat result has context.

If progress stalls, return to the five areas above. Check what was taken and tolerated, what is still being lost and whether absorption or inflammation needs attention. Do not keep increasing a stack without understanding the response.

Maintenance is an individual decision. Ongoing menstrual losses, diet and previous recurrence matter; menstruation alone does not establish that someone must supplement indefinitely.